Questions tagged [arduino-leonardo]
An Arduino board based on the ATmega32u4 chip with built in USB HID functionality
334 questions
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PS4 not recognizing Leonardo as a controller
I have created a modified AVR core based on ArduinoXInput's custom core but for PlayStation instead, to emulate a DS4 controller on HID-capable boards like the Leonardo. Using USBTreeView and online ...
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How to modify the Leonardo's HID descriptor
I'm trying to make an Arduino Leonardo work with a PS4 following a similar approach as ArduinoXInput with its modified AVR core. However, even though I managed to add the device and configuration ...
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Trying to program atmega328p-an via arduino leonardo isp
a friend of mine gave me broken hw-308 (chinese meter).
https://besomi.com/media/catalog/product/t/m/tmet0006-1.jpg
Atmega chip was broken so i replaced it with the new one i bought recently. Now i ...
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Can one re-program a Leonardo Eth via its Ethernet port only?
Let's assume we have an Arduino Leonardo Eth running some sort of networking application, perhaps a very simple web server. Importantly the server is read only and static HTML. There is no ability to ...
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How can I stop digital pins from floating at reboot?
I've got a LattePanda 3 Delta, which runs windows on its main processor and an Arduino sketch called StandardFirmata on its coprocessor. It's connected to a lock, which locks at HIGH and unlocks at ...
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atmega32u4 connect PC
I made a custom PCB with C-type USB and atmega32u4 (arduino leonardo). But my PC doesn't recognize the atmega32u4.
Here are my schematic.
Why my PC doesn't recognize the pcb in schematic?
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Joystick library not reading potentiometer
I am using Joystick Library to make a HOTAS system for flight simulators. When I load the test program I can get all the simulated controller inputs to register in windows. I can also get the value ...
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Change USB VID and PID (Leonardo)
I'm new to using electronic boards, and have followed a guide online for printing a 6 DoF (degree of freedom) mouse. I'm stuck on an optional step that requires me to change the PID and VID of a "...
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Arduino Leonardo Key Detector
I want to make an arduino code on the arduino leonardo that detects when keys are being pressed and to print them to the serial monitor so I can control the arduino with the computer keyboard. I need ...
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L LED on Arduino is constantly on and com is not detected
When I connect the Arduino to the computer, the L LED is constantly on and com is not detected. However, when I press the reset button, the L LED starts blinking for about 10 seconds and com appears. ...
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Arduino pin erratic behavior?
I've built a switch key matrix (thus the diode, contextually useful schematics below) and me being me, I realised after that I misunderstood a few things about how button really works, to say the ...
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Arduino Pro Micro not recognizing INPUT or INPUT_PULLUP
I tried to make a controller box with multiple buttons. Sadly, when I tried to connect the buttons, the Arduino Pro Micro didn't recognize them being pressed. I even tried to connect a wire directly (...
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Improving moving mouse loop to optimize speed
Code:
#include <Mouse.h>
#include <hiduniversal.h>
#include "hidmouserptparser.h"
#include <USBController.h>
USBController controller;
USB Usb;
HIDUniversal Hid(&Usb);
...
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Cannot change fuses on ATmega32U4
I have a custom board based on Arduino Leonardo (ATmega32u4).
As usual I used the Arduino IDE to burn the bootloader with my Atmel ICE ISP programmer.
This time it failed complaining about some errors ...
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help with error: cant open device "\\.\COM6":Access is denied
I built a new pc which I use as a flight simulator. On my old PC I had ArduinoIDE for programming a pro micro as well as a teensy 4.1 using the teensyduino library. I installed all the necessary ...
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